<template>
    <div class="drawer_container">
        <div v-if="drawerType === 'grid'">
            <div class="drawer_title">画布背景设置</div>
            <div class="drawer_wrap">
                <Form label-position="left" :label-width="85">
                    <FormItem label="是否显示网格" :label-width="100">
                        <i-switch v-model="showGrid" @on-change="changeGrid" />
                    </FormItem>
                    <div v-show="showGrid">
                        <FormItem label="网格类型">
                            <RadioGroup v-model="grid.type" @on-change="changeGridType">
                                <Radio v-for="item in gridTypeList" :label="item.value" :key="item.value">
                                    <span>{{item.label}}</span>
                                </Radio>
                            </RadioGroup>
                        </FormItem>
                        <FormItem label="网格大小">
                            <Slider v-model="grid.size" :min="0" :max="30" @on-change="changeGrid"></Slider>
                        </FormItem>
                        <FormItem label="网格颜色">
                            <ColorPicker v-model="grid.args.color" @on-change="changeGrid"/>
                        </FormItem>
                        <FormItem label="网格线宽度">
                            <Slider v-model="grid.args.thickness" :min="0" :max="20" @on-change="changeGrid"></Slider>
                        </FormItem>
                    </div>
                    
                </Form>
            </div>
        </div>
        <div v-if="drawerType === 'node'">
            <div class="drawer_title">节点设置</div>
            <div class="drawer_wrap">
                <Form label-position="left" :label-width="80">
                    <FormItem label="节点文本">
                        <Input v-model="drawerNode.nodeText" @on-change="changeNodeText"></Input>
                    </FormItem>
                    <FormItem label="节点背景">
                        <ColorPicker v-model="drawerNode.fill" @on-change="changeFill"/>
                    </FormItem>
                    <FormItem label="字体大小">
                        <Slider v-model="drawerNode.fontSize" :min="10" :max="20" @on-change="changefontSize"></Slider>
                    </FormItem>
                    <FormItem label="字体颜色">
                         <ColorPicker v-model="drawerNode.fontFill" @on-change="changeFontFill"/>
                    </FormItem>
                    <FormItem label="边框宽度">
                        <Slider v-model="drawerNode.strokeWidth" :min="0" :max="10" @on-change="changeStrokeWidth"></Slider>
                    </FormItem>
                    <FormItem label="边框颜色">
                        <ColorPicker v-model="drawerNode.stroke" @on-change="changeStroke"/>
                    </FormItem>
                    <FormItem label="功能">
                        <Button type="primary" icon="md-trending-up" @click="toTopZIndex">置顶</Button>
                        <Button type="error" class="margin-left-10" icon="md-trash" @click="deleteNode">删除</Button>
                    </FormItem>
                </Form>
            </div>
        </div>
        <div v-if="drawerType === 'edge'">
            <div class="drawer_title">线条设置</div>
            <div class="drawer_wrap">
                <Form label-position="left" :label-width="80">
                    <FormItem label="线条文本">
                        <Input v-model="drawerEdge.EdgeText" @on-change="changeEdgeText"></Input>
                    </FormItem>
                    <FormItem label="线条宽度">
                        <Slider v-model="drawerEdge.edgeWidth" :min="1" :max="10" @on-change="changeEdgeWidth"></Slider>
                    </FormItem>
                    <FormItem label="线条颜色">
                        <ColorPicker v-model="drawerEdge.edgeColor" @on-change="changeEdgeColor"/>
                    </FormItem>
                    <FormItem label="功能">
                        <Button type="primary" icon="md-trending-up" @click="toTopZIndex">置顶</Button>
                        <Button type="error" class="margin-left-10" icon="md-trash" @click="deleteNode">删除</Button>
                    </FormItem>
                </Form>
            </div>
        </div>
    </div>
</template>

<script>
export default {
    name:'RightDrawer',
    data() {
        return {
            gridTypeList:[
                {
                    label:'四边网格',
                    value:'mesh'
                },
                {
                    label:'点状网格',
                    value:'dot'
                }
            ],
            showGrid:true,
            drawerNode:{
                fill:'',
                nodeText:'',
                fontSize:null,
                fontFill:'',
                strokeWidth:null,
                stroke:''
            },
            drawerEdge:{
                EdgeText:'',
                edgeWidth:null,
                edgeColor:''
            },
        };
    },
    props:{
        drawerType: {
            type: String
        },
        selectCell:{
            type: String | Object
        },
        graph:{
            type: String | Object
        },
        grid:{
            type: Object
        }
    },
    created() {
        
    },
    mounted() {
    },
    watch:{
        selectCell:{
            handler(val) {
                if(val){
                    if(val.isNode()){ //节点
                        this.drawerNode.fill = val.store.data.attrs.body.fill
                        this.drawerNode.nodeText = val.store.data.attrs.label.text
                        this.drawerNode.fontFill = val.store.data.attrs.label.fill
                        this.drawerNode.fontSize = Number(val.store.data.attrs.label.fontSize)
                        this.drawerNode.strokeWidth = Number(val.store.data.attrs.body.strokeWidth)
                        this.drawerNode.stroke = val.store.data.attrs.body.stroke
                    }else{ //边
                        this.drawerEdge.EdgeText = val.store.data.labels?val.store.data.labels[0].text:''
                        this.drawerEdge.edgeWidth = Number(val.store.data.attrs.line.strokeWidth)
                        this.drawerEdge.edgeColor = val.store.data.attrs.line.stroke
                    }
                }
            },
            immediate: true,
            deep: false
        },
    },
    methods: {
        // 网格设置
        changeGrid(){
            this.showGrid?this.graph.showGrid():this.graph.hideGrid()
        },
        changeGridType(e){
            this.grid.type = e
            this.changeGrid()
        },
        changeGrid(){
            this.graph.drawGrid({
                ...this.grid
            })
        },
        // 节点设置
        changeStrokeWidth(val){
            this.selectCell.attr('body/strokeWidth', val)
        },
        changefontSize(val){
            this.selectCell.attr('label/fontSize',val)
        },
        changeNodeText(){
            this.selectCell.attr('label/text', this.drawerNode.nodeText)
        },
        changeStroke(val){
            this.drawerNode.stroke = val
            this.selectCell.attr('body/stroke', this.drawerNode.stroke)
        },
        changeFontFill(val){
            this.drawerNode.fontFill = val
            this.selectCell.attr('label/fill', this.drawerNode.fontFill)
        },
        changeFill(val){
            this.drawerNode.fill = val
            this.selectCell.attr('body/fill', val)
        },
        // 边设置
        changeEdgeText(){
            console.log(this.drawerEdge.EdgeText);
            this.selectCell.setLabels( 
                [{attrs:{label:{text:this.drawerEdge.EdgeText}}}]
            )
        },
        changeEdgeWidth(val){
            this.drawerEdge.edgeWidth = val
            this.selectCell.attr('line/strokeWidth', this.drawerEdge.edgeWidth)
        },
        changeEdgeColor(val){
            this.drawerEdge.stroke = val
            this.selectCell.attr('line/stroke', this.drawerEdge.stroke)
        },
        // 置顶
        toTopZIndex(){
            this.selectCell.toFront()
        },
        // 删除
        deleteNode(){   
            this.$emit('deleteNode')
        },
    },
};
</script>

<style lang="less" scoped>
    .drawer_container {
        max-width: 300px;
        min-width: 300px;
        .drawer_title {
            border-bottom: 1px solid #e8eaec;
            box-sizing: border-box;
            padding: 14px 16px;
            color: #333;
            font-size: 16px;
        }
        .drawer_wrap {
            box-sizing: border-box;
            padding: 20px 10px 20px 20px;
        }
    }
</style>
